Can someone tell me what x is

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

Find the area of a parallelogram with base 15 yards and height 21 2/3

A50% increase followed by 33 1/2% decrease